Cheap Mercedes Benz Slk cars under £20,000

With a budget of £20,000 you can grab a great bargain. Most of the cars advertised on our site are heavily reduced in price and come with a free history check

365 Mercedes Benz Slk cars under £20,000 - 45 reductions

Change budget

under £1000

under £2000

under £5000

under £10000

under £15000

under £20000

Recently reduced (45)

SKS Cars Ltd, 1-9 Barton Road, Milton Keynes

£14,495
Was £14,995 Save £500

Mercedes Benz SLK 3.5 SLK350 BLUEEFFICIENCY AMG SPORT 2d 306 BHP

This car has radio, remote boot release, service history, remote central locking, auxiliary input socket, head restraints, heated door mirrors, electrically adjustable and heated door mirrors, green tinted glass, locking wheel bolts, automatic, leather steering w...eee

Elm Tree Cars, Pelham Court, London Road, Wiltshire

£12,499
Was £13,299 Save £800

Mercedes Benz SLK 1.8 SLK200 AMG SPORT EDITION 2d 184 BHP

With 18in alloy wheels, electronic stability programme, third brake light, dab digital radio, alloy wheels, audio, esp, radio, daytime running lights, driver, cruise control, abs, passenger, air conditioning, automatic headlamp activation, airbag, immobil...eee

Prestige Car Supermarket, A19 Crockey Hill, York

£11,999
Was £13,199 Save £1,200

Mercedes Benz SLK 2.1 SLK250 CDI BLUEEFFICIENCY AMG SPORT 2d 204 BHP

This car has convertible, cup holders, bluetooth connectivity, electric windows, leather, bluetooth, heated windscreen, leather upholstery, diesel, tinted glass, 18in alloy wheels, locking wheel bolts, cup holder, alloy wheels...eee

Alpino Cars, 568 Wilmslow Road, Manchester

£11,500
Was £12,000 Save £500

Mercedes Benz SLK 2.1 SLK250 CDI BLUEEFFICIENCY AMG SPORT 2d 204 BHP

Description includes immobiliser, anti theft system, dual stage driver/passenger airbags, airbags, trip computer, leather, alarm, diesel, bluetooth interface, climate control, abs with brake assist, central locking, automatic climate control, rain sensing wipers, automat...eee

Troon Cars LTD, 33 Wenlock Way, Leicester

£11,500
Was £11,990 Save £490

Mercedes Benz SLK 1.8 SLK200 AMG SPORT EDITION 2d 184 BHP

Featuring air con, climate control, part exchange welcome, audio 20, satellite navigation, heated front seats, electric windows, rear parking sensor, cd, tinted glass, dab radio, 2 keys, automatic gearbox, automatic, audio, cruise control, leather, leather int...eee

Mylson Limited, 32-33 Longwood Road, Manchester

£11,000
Was £11,500 Save £500

Mercedes Benz SLK 1.8 SLK200 AMG SPORT EDITION 2d 184 BHP

This model has head restraints, leather, radio, speed limiter, electrically adjustable and heated door mirrors, front centre armrest, leather gear knob, body colour bumpers, manual, daytime running lights, usb, active head restraints, black, green tinted glass, ser...eee

Vehicle Trade Centre Kilmarnock, 113 Campbell Street, East Ayrshire

£9,999
Was £10,998 Save £999

Mercedes Benz SLK 2.1 SLK250 CDI BLUEEFFICIENCY AMG SPORT 2d AUTO 204 BHP

Featuring cd player, sports seats, privacy glass, bluetooth, rear privacy glass, climate control, cd, sat nav, radio, electric windows, automatic, parking sensors, audio, bluetooth connection, usb, usb connection, remote locking, air con, alloy wheels, front s...eee

Warrington Jag Centre, Platt Street, Wigan

£9,995
Was £11,750 Save £1,755

Mercedes Benz SLK 2.1 SLK250 CDI BlueEfficiency AMG Sport G Tronic+ Euro 5 (s/s)

Comes with service history, black, 3 months warranty, cd, mot, automatic, warranty, 12 months mot, alloy wheels...eee

Troon Cars LTD, 33 Wenlock Way, Leicester

£9,980
Was £9,990 Save £10

Mercedes Benz SLK 2.1 SLK250 CDI BLUEEFFICIENCY 2d 204 BHP

Features include audio, 2 keys, power assisted steering, part exchange welcome, tinted glass, electric windows, bluetooth, wind deflector, air con, air conditioning, radio, daytime running lights, alloy wheels, cruise control, heated front seats, leather, spare wheel...eee

Buy From Us Autopark Ltd Meadowfield Industrial Es, St Johns Road, County Durham

£9,395
Was £9,695 Save £300

Mercedes Benz SLK 2.1 SLK250 CDI BLUEEFFICIENCY 2d 204 BHP

Comes with service history, satellite navigation, hpi clear, diesel, automatic gearbox, automatic, paddle shift, mot...eee

365 cars under £20,000

Oakwood (North East) Ltd, , North East

£19,995

Mercedes Benz SLK SLK 280 2dr Tip Auto

This car has alarm system/interior protection/immobiliser, alarm, esp, passenger, body coloured bumpers, automatic, green tinted glass, speed limiter, locking wheel bolts, abs with brake assist, automatic headlamp activation, dual stage driver/passenger airbags, ...eee

Chelmsford, , South East

£19,948

Mercedes Benz SLK SLK 55 2dr Tip Auto

Description includes service history, folding mirrors, alloys, radio, 2 owners, esp, park distance control, sat nav, 4x4, bluetooth, full service history, climate control, black, aluminium trim, dab radio...eee

Cavendish UK Car Sales ltd, , East Midlands

£17,995

Mercedes Benz SLK

Features on this model include mot, bluetooth system, full service history, service history, black, hpi clear, 12 months mot, excellent bodywork, low mileage, speakers, wind deflector, leather, bluetooth, alloy wheels, warranty, parktronic, climate control, auto climate control, s...eee

Dave Fox Cars Nr Stone, A34 South, Staffordshire

£17,995

Mercedes Benz SLK 5.4 SLK55 AMG 2d AUTO 356 BHP

This model has exterior lighting, tinted glass, low mileage, leather, passenger, third brake light, air bag passenger, climate control, driver, electronic stability programme, central door locking, power assisted steering, alarm, parktronic, black, electric seats, ...eee

Redgate Lodge, , North East

£17,000

Mercedes Benz SLK SLK 200 [2.0] AMG Sport 2dr Tip Auto

Includes driver, alarm, air con, alloy wheels, automatic, daytime running lights, air conditioning, dab digital radio, abs, cruise control, pas, radio, airbags, speed limiter, brake assist, bluetooth, navigation system, audio, bluetooth interface, airbag, ant...eee

Mark Hopkins Car Sales, , South East

£16,995

Mercedes Benz SLK SLK 250 AMG Sport 2dr Tip Auto

Featuring fsh, daytime running lights, bluetooth, air con, convertible, cd, airbags, 18in alloy wheels, black, leather, airbag, anti lock braking system, automatic, low mileage, pas, parktronic, alarm, immobiliser, multi function steering wheel, alloys, usb, f...eee

Velvis Cars, Velvis Cars Kinckhams Barn, West Bergholt

£16,995

Mercedes Benz SLK 5.4 SLK55 AMG 2d AUTO 356 BHP

With electric windows (front), power assisted steering, electronic stability programme, electric front seats, xenon headlights, cupholder, adjustable steering column/wheel, air bag, parktronic, alloy wheels, adjustable steering column, cupholders, steerin...eee

Northover Cars, , South East

£16,990

Mercedes Benz SLK SLK 250d AMG Sport 2dr Tip Auto

Featuring electric door mirrors, body coloured bumpers, electronic stability program (esp), computer, side airbags, drivers airbag, electric windows, alloy wheels, front head restraints, driver, power assisted steering, front side airbags, remote central locki...eee

Leslie Cars, , South East

£15,999

Mercedes Benz SLK

This car has sat nav, warranty, alloy wheels, leather seats, panoramic roof, mot, automatic, space saver spare wheel, cruise control, convertible, service history, dab radio, spare wheel, radio, part exchange welcome, 2 keys, leather...eee

Appleyard Cars Ltd, , North East

£15,995

Mercedes Benz SLK SLK 250 CDI BlueEFFICIENCY AMG Sport 2dr Tip Auto

Options include air con, stereo, parking sensors, bluetooth, cruise control, fuel computer, satellite navigation, air conditioning, warranty, leather, tyre pressure monitoring system, immobiliser, cup holder, remote locking, leather steering wheel, spare wheel, rear...eee

We currently have 365 Mercedes Benz Slk cars available across the UK priced under £20000.

Mercedes Benz Slk budget

Mercedes Benz reduced

170 (1 reductions)
180 (4 reductions)
190 (13 reductions)
200 (9 reductions)
220 (11 reductions)
230 (2 reductions)
250 (11 reductions)
280 (6 reductions)
300 (2 reductions)
320 (2 reductions)
350 (2 reductions)
450 (1 reductions)
500 (3 reductions)
560 (1 reductions)
A Class (2307 reductions)
A Class Saloon (52 reductions)
Amg (42 reductions)
Amg Gt (1 reductions)
Atego (4 reductions)
B Class (346 reductions)
Bmct 690 (1 reductions)
C Class (2174 reductions)
C Class Cabriolet (16 reductions)
C Class Coupe (41 reductions)
C Class Estate (22 reductions)
Ce Class (2 reductions)
Citan (85 reductions)
Cl (32 reductions)
Cla (113 reductions)
Cla Class (526 reductions)
Cla Shooting Brake (23 reductions)
Clc (17 reductions)
Clk (62 reductions)
Cls (177 reductions)
Cls Shooting Brake (1 reductions)
E Class (1418 reductions)
E Class Cabriolet (18 reductions)
E Class Coupe (14 reductions)
E Class Estate (10 reductions)
E Vito (3 reductions)
Eqa (17 reductions)
Eqb (5 reductions)
Eqc (89 reductions)
Eqe (4 reductions)
Eqs (3 reductions)
Eqv (1 reductions)
G Class (78 reductions)
G Series (1 reductions)
Gl Class (146 reductions)
Gla (131 reductions)
Gla Class (464 reductions)
Glb (44 reductions)
Glc (508 reductions)
Glc Coupe (29 reductions)
Gle (263 reductions)
Gle Coupe (6 reductions)
Glk Class (3 reductions)
Gls (3 reductions)
Gls Class (3 reductions)
Gt (36 reductions)
M Class (131 reductions)
Ml Class (3 reductions)
Other (1 reductions)
R Class (10 reductions)
S Class (254 reductions)
Sec Class (2 reductions)
Sl Class (252 reductions)
Slc (64 reductions)
Slk (372 reductions)
Slr Mclaren (1 reductions)
Sls (6 reductions)
Sprinter (758 reductions)
Unassigned (1 reductions)
V Class (116 reductions)
V Class Marco Polo (3 reductions)
Vaneo (3 reductions)
Viano (17 reductions)
Vito (190 reductions)
X Class (51 reductions)

Cheap Mercedes Benz Slk cars under £20,000

365 Mercedes Benz Slk cars under £20,000 - 45 reductions

Recently reduced (45)

£14,495 Was £14,995 Save £500

Mercedes Benz SLK 3.5 SLK350 BLUEEFFICIENCY AMG SPORT 2d 306 BHP

£12,499 Was £13,299 Save £800

Mercedes Benz SLK 1.8 SLK200 AMG SPORT EDITION 2d 184 BHP

£11,999 Was £13,199 Save £1,200

Mercedes Benz SLK 2.1 SLK250 CDI BLUEEFFICIENCY AMG SPORT 2d 204 BHP

£11,500 Was £12,000 Save £500

Mercedes Benz SLK 2.1 SLK250 CDI BLUEEFFICIENCY AMG SPORT 2d 204 BHP

£11,500 Was £11,990 Save £490

Mercedes Benz SLK 1.8 SLK200 AMG SPORT EDITION 2d 184 BHP

£11,000 Was £11,500 Save £500

Mercedes Benz SLK 1.8 SLK200 AMG SPORT EDITION 2d 184 BHP

£9,999 Was £10,998 Save £999

Mercedes Benz SLK 2.1 SLK250 CDI BLUEEFFICIENCY AMG SPORT 2d AUTO 204 BHP

£9,995 Was £11,750 Save £1,755

Mercedes Benz SLK 2.1 SLK250 CDI BlueEfficiency AMG Sport G Tronic+ Euro 5 (s/s)

£9,980 Was £9,990 Save £10

Mercedes Benz SLK 2.1 SLK250 CDI BLUEEFFICIENCY 2d 204 BHP

£9,395 Was £9,695 Save £300

Mercedes Benz SLK 2.1 SLK250 CDI BLUEEFFICIENCY 2d 204 BHP

365 cars under £20,000

£19,995

Mercedes Benz SLK SLK 280 2dr Tip Auto

£19,948

Mercedes Benz SLK SLK 55 2dr Tip Auto

£17,995

Mercedes Benz SLK

£17,995

Mercedes Benz SLK 5.4 SLK55 AMG 2d AUTO 356 BHP

£17,000

Mercedes Benz SLK SLK 200 [2.0] AMG Sport 2dr Tip Auto

£16,995

Mercedes Benz SLK SLK 250 AMG Sport 2dr Tip Auto

£16,995

Mercedes Benz SLK 5.4 SLK55 AMG 2d AUTO 356 BHP

£16,990

Mercedes Benz SLK SLK 250d AMG Sport 2dr Tip Auto

£15,999

Mercedes Benz SLK

£15,995

Mercedes Benz SLK SLK 250 CDI BlueEFFICIENCY AMG Sport 2dr Tip Auto

We currently have 365 Mercedes Benz Slk cars available across the UK priced under £20000.

£14,495
Was £14,995 Save £500

£12,499
Was £13,299 Save £800

£11,999
Was £13,199 Save £1,200

£11,500
Was £12,000 Save £500

£11,500
Was £11,990 Save £490

£11,000
Was £11,500 Save £500

£9,999
Was £10,998 Save £999

£9,995
Was £11,750 Save £1,755

£9,980
Was £9,990 Save £10

£9,395
Was £9,695 Save £300